I'm not sure if top notch engineering talent is available in a place like Tijuana - from what I've read, it doesn't seem like their education system is churning out engineers a couple a minute like China and India are...
http://articles.washingtonpost.com/2012-10-28/world/35498580...
Don't know about the quality of the degrees though.
There are great private and public schools. For example, The Institute of Technology of Monterrey (ITESM) http://en.wikipedia.org/wiki/Monterrey_Institute_of_Technolo...
I don't have experience with Mexico so it's hard to say there.